----- Is that Mr. Smith?
----- It ______ be him, because he has gone to Beijing.
A. must B. should C. can’t
The clothes shop is _____ the right side ____ the street.
A. at, in B. for, of C. on, of
______ honest girl she is!
A. How B. What C. What an
The girl_____ is standing under the tree is my sister.
A. which B. where C. Who
_____ a new library _____ in our school last year?
A. Was, built B. Did, build C. Is, built
Let’s try our best ________ the earth.
A protect B. to protect C. Protects
